<template>
  <div>
    <span>输入的内容：</span> <input type="text" v-model="msg" />

    <h4>{{ msg }}</h4>
  </div>
</template>

<script>
export default {
  data() {
    return {
      msg: '我是v-mod',
    }
  },
  methods: {},
}
</script>

<style scoped lang="less"></style>
